aerodynamic resistance
简明释义
空气动力阻力
英英释义
例句
1.Engineers use wind tunnels to test how different shapes affect aerodynamic resistance (空气动力阻力).
工程师使用风洞测试不同形状如何影响空气动力阻力(空气动力阻力)。
2.In sailing, hull shape plays a crucial role in minimizing aerodynamic resistance (空气动力阻力).
在帆船运动中,船体形状在最小化空气动力阻力(空气动力阻力)方面起着至关重要的作用。
3.The airplane's wings are designed to reduce aerodynamic resistance (空气动力阻力) for better fuel efficiency.
飞机的机翼设计旨在减少空气动力阻力(空气动力阻力),以提高燃油效率。
4.The design of the new sports car focuses on reducing aerodynamic resistance (空气动力阻力) to improve speed.
新款跑车的设计侧重于减少空气动力阻力(空气动力阻力)以提高速度。
5.Cyclists often wear streamlined helmets to minimize aerodynamic resistance (空气动力阻力) during races.
骑自行车的人在比赛中常常佩戴流线型头盔,以最小化空气动力阻力(空气动力阻力)。
作文
In the realm of physics and engineering, the concept of aerodynamic resistance plays a crucial role in understanding how objects move through the air. This term refers to the forces that oppose an object's motion as it travels through the atmosphere. Whether it's a car speeding down the highway, an airplane soaring high above the clouds, or even a bicycle racing against the wind, aerodynamic resistance significantly impacts performance and efficiency. To grasp the importance of aerodynamic resistance, one must first comprehend the principles of aerodynamics. Aerodynamics is the study of how gases interact with moving bodies. When an object moves through the air, it displaces air molecules, creating a pressure difference around it. This pressure difference results in drag, which is the force that opposes the forward motion of the object. Aerodynamic resistance is essentially a type of drag, specifically related to the airflow around the object.One of the most notable examples of aerodynamic resistance can be observed in aviation. Aircraft are designed with streamlined shapes to minimize drag, allowing them to achieve higher speeds and greater fuel efficiency. Engineers use various techniques, such as wind tunnel testing and computational fluid dynamics, to analyze and reduce aerodynamic resistance. The less resistance an aircraft encounters, the more efficiently it can fly, translating into lower fuel consumption and reduced operational costs.Similarly, in the automotive industry, manufacturers strive to create vehicles with optimal designs that reduce aerodynamic resistance. Cars with sleek profiles and smooth surfaces experience less drag, resulting in better fuel economy and improved performance. For instance, sports cars are often designed with low profiles and rear spoilers to enhance their aerodynamics. In contrast, boxy vehicles tend to have higher aerodynamic resistance, which can negatively impact their speed and efficiency.Bicyclists also face challenges related to aerodynamic resistance. Competitive cyclists often adopt specific riding positions and wear tight-fitting clothing to minimize drag while racing. By reducing aerodynamic resistance, they can maintain higher speeds with less effort. This highlights how understanding and mitigating this force can lead to significant advantages in various forms of transportation.Furthermore, aerodynamic resistance is not only relevant in transportation but also in nature. Birds, for example, have evolved to possess streamlined bodies that reduce drag, enabling them to fly efficiently. By studying these natural adaptations, engineers can draw inspiration for designing more efficient vehicles and aircraft.In conclusion, aerodynamic resistance is a fundamental concept in the fields of physics and engineering that affects the performance of numerous objects moving through the air. From airplanes to automobiles and bicycles, understanding how to minimize aerodynamic resistance can lead to enhanced efficiency, reduced fuel consumption, and improved overall performance. As technology advances, the quest to further reduce aerodynamic resistance will continue to play a pivotal role in the development of faster, more efficient modes of transportation, ultimately benefiting both the environment and the economy.
在物理和工程领域,aerodynamic resistance(空气动力阻力)这一概念对于理解物体如何在空气中运动起着至关重要的作用。这个术语指的是物体在穿过大气时,与其运动相对的力量。无论是汽车在高速公路上飞驰,还是飞机在云端翱翔,甚至是自行车在风中竞速,aerodynamic resistance(空气动力阻力)都显著影响着性能和效率。要理解aerodynamic resistance(空气动力阻力)的重要性,首先必须理解空气动力学的原理。空气动力学是研究气体与运动物体之间相互作用的学科。当一个物体穿过空气时,它会位移空气分子,造成周围的压力差。这种压力差导致了阻力,即反对物体向前运动的力量。aerodynamic resistance(空气动力阻力)本质上是一种阻力,特别是与物体周围的气流相关。在航空领域,aerodynamic resistance(空气动力阻力)的一个显著例子可以观察到。飞机的设计采用流线型形状,以尽量减少阻力,使其能够达到更高的速度和更大的燃油效率。工程师使用各种技术,如风洞测试和计算流体动力学,来分析和减少aerodynamic resistance(空气动力阻力)。飞机遇到的阻力越少,其飞行效率就越高,从而转化为更低的燃料消耗和减少的运营成本。同样,在汽车工业中,制造商努力创造具有最佳设计的车辆,以减少aerodynamic resistance(空气动力阻力)。外形流线型和平滑表面的汽车经历的阻力较小,从而提高燃油经济性和改善性能。例如,跑车通常设计成低矮的轮廓和后扰流板,以增强其空气动力学特性。相比之下,方形车辆往往具有较高的aerodynamic resistance(空气动力阻力),这可能对其速度和效率产生负面影响。骑自行车的人也面临与aerodynamic resistance(空气动力阻力)相关的挑战。竞争性骑自行车者通常采取特定的骑行姿势,并穿着紧身衣物,以最小化比赛中的阻力。通过减少aerodynamic resistance(空气动力阻力),他们可以在付出更少努力的情况下保持更高的速度。这突显了理解和减轻这一力量如何在各种交通工具中带来显著优势。此外,aerodynamic resistance(空气动力阻力)不仅在交通运输中相关,也在自然界中存在。例如,鸟类已经进化出流线型的身体,减少阻力,使它们能够高效飞行。通过研究这些自然适应,工程师可以从中获得灵感,以设计出更高效的车辆和飞机。总之,aerodynamic resistance(空气动力阻力)是物理和工程领域的一个基本概念,影响着许多在空气中移动的物体的性能。从飞机到汽车和自行车,理解如何最小化aerodynamic resistance(空气动力阻力)可以带来更高的效率、降低的燃料消耗和改善的整体性能。随着技术的进步,进一步减少aerodynamic resistance(空气动力阻力)的探索将继续在开发更快、更高效的交通方式中发挥关键作用,最终惠及环境和经济。